Long-range radio frequency receiver-controller module and wireless control system comprising same
a technology of receiver controller and receiver control, which is applied in the field of wireless control systems, can solve the problems of limiting the amount of information that can be transmitted quickly, license costs adding to the creation, scalability and maintenance costs of any system using wireless communication methods, and large distances of networks
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example 1
Wireless Irrigation Management System for a Golf Course
[0278]The Wireless Irrigation Central Control (WICC) and maintenance system controls the entire golf course's irrigation system from one central location without the need for embedded wiring. There is no limit to the number of stations that can be controlled, allowing for complete water management. The specification below outlines the requirements for the design and development of the electronics and software for the central computing device, hand held unit and valve or sprinkler head. The following Acronyms and Abbreviations are used.
[0279]
ETIElapse Time IndicatorIDIdentificationGPIOGeneral Purpose I / OTTLTransistor-Transistor LogicLVTTLLow Voltage Transistor-Transistor LogicPSUPower Supply UnitSCUSingle Board ComputerTXDTransmit DataRXDReceive DataDTRData Terminal ReadyWICCWireless Irrigation Central Control and maintenance systemCCUCentral Control UnitHHCUHand Held Control UnitRAURemote Activation Unit
[0280]The WICC is compres...
example 2
Wireless Irrigation Control and Management System
[0307]The following example describes a wireless irrigation control and management system that operates in the 915 MHz ISM band and which can be installed with known irrigation valve systems including Rainbird, Toro, Hunter and John Deere. The wireless control system can be “retro-fitted” to an existing irrigation system or installed together with a new irrigation system.
[0308]The system comprises a central control unit, one or more hand held control units, one or more repeater units and a plurality of valve and sprinkler controllers (i.e. RFTCs), all of which are in wireless communication. The Repeater / RFTC / Main Controller / Valve Board combo schematic as shown in FIG. 14 can be used as a basis for an all-inclusive circuit board for valves, sprinklers, repeaters, and controllers by adding the necessary components for each situation.
[0309]The repeater units and central control unit utilize a 0 gain, ¼ or ½ wave exterior mounted antenna ...
example 3
Battery Power Options
[0333]Examples of battery power options for the RFTC modules and repeaters in the wireless irrigation system described above are provided in Tables 5-7 below.
[0334]
TABLE 5RFTC Main battery power optionsBatteryPack / mAh62512008350150026000Battery8.48.4666Voltage / VUseful9090909090range / %Switching100100100100100Efficiency / %Power47259072450908100140400available / mWhDays of138.3265.41319.3237.04108.0runtimeWeeks of35.167.4335.060.21043.1runtimeYears of0.71.36.41.220.1runtime*Battery9 VLithium 9 VC cells6 V PhotoEN528TypeNumber of11411Cells*based on weekly usage numbers
[0335]
TABLE 6RFTC DC Solenoid battery optionsBattery Pack / mAh6251200Battery Voltage / V99Useful range / %757575% to be conservativeSwitching100100100% Efficiency becauseEfficiency / %there is no switchingsupplyPower available / 4218.758100mWhDays of runtime30438.358441.6Years of runtime*83.4160.1Battery Type9 VLithium 9 VNumber of Cells12
[0336]
TABLE 7Star Node (repeater) Battery power optionsBatteryPack / mAh625120...
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